Finding the Fourth Proportional to 5,915,481.36, 8,163,369.72 and 3,199,227.36
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Solution
The fourth proportional to 5,915,481.36, 8,163,369.72 and 3,199,227.36 is: 4,414,936.70
Step by Step Solution
- Step 1: Write the proportion equation
5,915,481.36 : 8,163,369.72 = 3,199,227.36 : x - Step 2: Convert to fraction form
5,915,481.36/8,163,369.72 = 3,199,227.36/x - Step 3: Cross multiply
5,915,481.36x = 8,163,369.72 × 3,199,227.36 - Step 4: Simplify right side
5,915,481.36x = 26,116,475,758,019.54 - Step 5: Solve for x
x = 26,116,475,758,019.54/5,915,481.36 - Step 6: Final answer
x = 4,414,936.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.